cholesterol

Cholestrol is a fatty substance that can collect in your healthy arteries. Too much of this fatty substance can collect in your arteries and prevent effective blood flow to the rest of your body. This can result in heart diseaase.

Sources:
.http://www.nlm.nih.gov/medlineplus/cholesterol.html

Managing cholesterol levels

1. diet (reduce fatty food intake)
2. medicines (statins e.g. Zocor)
3. exercise
4. vitamin B (niacin)
5. weight management

http://www.nlm.nih.gov/medlineplus/tutorials/managingcholesterol/htm/index.htm